Hybrid telephony device

Details Hybrid telephony device Hybrid telephony device

2006-07-11

2006-07-11

Kuntz, Curtis (Department: 2643)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S403000, C455S561000, C455S572000

Reexamination Certificate

active

07076278

ABSTRACT:
A device configured to draw current from one of a PSTN source and a battery source depending on a mode of operation of the device is disclosed. In a preferred embodiment, the device includes a circuit that is configured to draw current from the PSTN source during a first condition and from the battery source during a second condition. Preferably, the circuit is defaulted to draw current from the battery source. The first condition can be associated with an off-hook condition. The second condition can be associated with an on-hook condition.

REFERENCES:
patent: 5133005 (1992-07-01), Kelley et al.
patent: 5805998 (1998-09-01), Kodama
patent: 5982862 (1999-11-01), Bradley et al.
patent: 6041240 (2000-03-01), McCarthy et al.
patent: 6078821 (2000-06-01), Kaschke et al.
patent: 6490458 (2002-12-01), Campbell
patent: 2002/0076038 (2002-06-01), Barrese et al.
patent: 2002/0147009 (2002-10-01), Kocheisen
patent: 2003/0059035 (2003-03-01), Nebiker et al.
patent: 0 343 966 (1989-05-01), None
patent: 0 405 714 (1991-01-01), None
patent: 0405714 (1991-02-01), None
patent: 3186053 (1991-08-01), None
patent: 5191488 (1993-07-01), None
GB Search Report dated May 28, 2004.

Affiliated with

Also associated with

Rating

Hybrid telephony device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hybrid telephony device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hybrid telephony device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3573324